66993780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{22787}}^1$

素因数の和:22813

約数の個数: 72

約数和(自身を含む): 218217888

約数和(自身を除く): 151224108

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 22787, 45574, 68361, 91148, 113935, 136722, 159509, 227870, 273444, 319018, 341805, 455740, 478527, 638036, 683610, 797545, 957054, 1116563, 1367220, 1595090, 1914108, 2233126, 2392635, 3190180, 3349689, 4466252, 4785270, 5582815, 6699378, 9570540, 11165630, 13398756, 16748445, 22331260, 33496890, 66993780]

約数ペア:

[(1, 66993780), (2, 33496890), (3, 22331260), (4, 16748445), (5, 13398756), (6, 11165630), (7, 9570540), (10, 6699378), (12, 5582815), (14, 4785270), (15, 4466252), (20, 3349689), (21, 3190180), (28, 2392635), (30, 2233126), (35, 1914108), (42, 1595090), (49, 1367220), (60, 1116563), (70, 957054), (84, 797545), (98, 683610), (105, 638036), (140, 478527), (147, 455740), (196, 341805), (210, 319018), (245, 273444), (294, 227870), (420, 159509), (490, 136722), (588, 113935), (735, 91148), (980, 68361), (1470, 45574), (2940, 22787)]